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Researchers show feasibility of lithium-metal-free anode for Li-air battery; addressing one of three main barriers to Li-air battery development

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Researchers from University of Rome Sapienza (Italy), Hanyang University (Korea) and the Argonne National Laboratory (US) have shown that the highly reactive lithium metal anode typically projected for use in Li-air batteries can be replaced with a lithiated silicon-carbon anode. carbon composite particles with a lithium foil.

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ARPA-E Selects 37 Projects for $106M in Funding in Second Round; Electrofuels, Better Batteries and Carbon Capture

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ARPA-E’s first solicitation awarded $151 million to 37 projects aimed at transformational innovations in energy storage, biofuels, carbon capture, renewable power, building efficiency, vehicles, and other areas. Novel Biological Conversion of Hydrogen and Carbon Dioxide Directly into Biodiesel. Water will be the primary byproduct.

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MIT, Toyota team clarifies role of iodide in Li-air batteries

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Lithium-air (or lithium-oxygen) batteries potentially could offer three times the gravimetric energy of current Li-ion batteries (3500 Wh/kg at the cell level); as such, they are looked to a potential solution for long-range EVs. Li 2 O 2 precipitate passivates the electrode surface hindering further electron transfer.

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IBM releases fifth annual Next Five in Five list of near-term significant innovations; personalized routing for commuting/transportation makes the cut

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Also on the list of five is the arrival of advanced batteries, including air batteries (e.g., Lithium air), but targeted initially at small devices. In five years, sensors in phones, cars, wallets and even tweets will collect data that will give scientists a real-time picture of the environment. Earlier post.).

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Probing the effect of CO2 on Li-air batteries

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Lithium-air batteries, with a theoretical gravimetric energy density of ?3500 air” battery technology usable at ambient conditions, it is critical to elucidate the effects of the other constituents of air (N 2 , Ar, H 2 O, and CO 2 ) on the operations of the Li?air air battery. Thus, DMSO might be optimal.

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